This page summarises the information held within TEPCat for the transiting system Kepler-1121b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 51 08.78 | h m s |
| Declination | +47 53 10.0 | d m s |
| Right ascension (decimal) | 297.78658 | degrees |
| Declination (decimal) | 47.88611 | degrees |
| V-band apparent magnitude | 12.17 | mag |
| K-band apparent magnitude | 10.79 | mag |
| Transit duration | 0.2266 ( 5.438 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2454977.16237 ± 0.00500 | HJD or BJD |
| Orbital period | 13.1514022 ± 0.0000798 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6231 +90 −73 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.12 ± 0.09 | dex |
| Stellar mass | 1.290 +0.130 −0.060 | Msun |
| Stellar radius | 1.590 +0.400 −0.290 | Rsun |
| Stellar logarithmic surface gravity | 4.140 ± 0.150 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.167 +0.031 −0.035 ( 1.87 +0.35 −0.39 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1008 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-1121b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)